Articles | Volume 20, issue 18
https://doi.org/10.5194/acp-20-10997-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-10997-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
25 Sep 2020
Research article |
| 25 Sep 2020
| 25 Sep 2020
Development of aerosol activation in the double-moment Unified Model and evaluation with CLARIFY measurements
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
Engineering Research Accelerator, Carnegie Mellon University, Forbes Avenue, Pittsburgh, 15213, United States
Paul R. Field
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
Met Office, Fitzroy Road, Exeter, EX1 3PB, United Kingdom
Steven J. Abel
Met Office, Fitzroy Road, Exeter, EX1 3PB, United Kingdom
Paul Barrett
Met Office, Fitzroy Road, Exeter, EX1 3PB, United Kingdom
Keith Bower
Department of Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, United Kingdom
Ian Crawford
Department of Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, United Kingdom
Zhiqiang Cui
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
Daniel P. Grosvenor
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
Adrian A. Hill
Met Office, Fitzroy Road, Exeter, EX1 3PB, United Kingdom
Jonathan Taylor
Department of Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, United Kingdom
Jonathan Wilkinson
Met Office, Fitzroy Road, Exeter, EX1 3PB, United Kingdom
Huihui Wu
Department of Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, United Kingdom
Ken S. Carslaw
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
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Cited
7 citations as recorded by crossref.
- NUMAC: Description of the Nested Unified Model With Aerosols and Chemistry, and Evaluation With KORUS‐AQ Data H. Gordon et al. 10.1029/2022MS003457
- Sensitivity of simulated rain intensity and kinetic energy to aerosols and warm‐rain microphysics during the extreme event of July 2021 in Belgium K. Van Weverberg et al. 10.1002/qj.4761
- The CLoud–Aerosol–Radiation Interaction and Forcing: Year 2017 (CLARIFY-2017) measurement campaign J. Haywood et al. 10.5194/acp-21-1049-2021
- In-situ observations of cloud microphysics over Arabian Sea during dust transport events S. Bera et al. 10.1088/2515-7620/ad443d
- Source attribution of cloud condensation nuclei and their impact on stratocumulus clouds and radiation in the south-eastern Atlantic H. Che et al. 10.5194/acp-22-10789-2022
- Contribution of regional aerosol nucleation to low-level CCN in an Amazonian deep convective environment: results from a regionally nested global model X. Wang et al. 10.5194/acp-23-4431-2023
- Importance of CCN activation for fog forecasting and its representation in the two‐moment microphysical scheme LIMA B. Vié et al. 10.1002/qj.4812
7 citations as recorded by crossref.
- NUMAC: Description of the Nested Unified Model With Aerosols and Chemistry, and Evaluation With KORUS‐AQ Data H. Gordon et al. 10.1029/2022MS003457
- Sensitivity of simulated rain intensity and kinetic energy to aerosols and warm‐rain microphysics during the extreme event of July 2021 in Belgium K. Van Weverberg et al. 10.1002/qj.4761
- The CLoud–Aerosol–Radiation Interaction and Forcing: Year 2017 (CLARIFY-2017) measurement campaign J. Haywood et al. 10.5194/acp-21-1049-2021
- In-situ observations of cloud microphysics over Arabian Sea during dust transport events S. Bera et al. 10.1088/2515-7620/ad443d
- Source attribution of cloud condensation nuclei and their impact on stratocumulus clouds and radiation in the south-eastern Atlantic H. Che et al. 10.5194/acp-22-10789-2022
- Contribution of regional aerosol nucleation to low-level CCN in an Amazonian deep convective environment: results from a regionally nested global model X. Wang et al. 10.5194/acp-23-4431-2023
- Importance of CCN activation for fog forecasting and its representation in the two‐moment microphysical scheme LIMA B. Vié et al. 10.1002/qj.4812
Latest update: 29 Jul 2025
Short summary
The Met Office's Unified Model is widely used both for weather forecasting and climate prediction. We present the first version of the model in which both aerosol and cloud particle mass and number concentrations are allowed to evolve separately and independently, which is important for studying how aerosols affect weather and climate. We test the model against aircraft observations near Ascension Island in the Atlantic, focusing on how aerosols can "activate" to become cloud droplets.
The Met Office's Unified Model is widely used both for weather forecasting and climate...
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